Phys. Changes vs. Chem. Changes

What is the definition of a physical change?

What is the definition of a chemical change?

What type of change is the process of iron rusting?

What type of change is the process of water freezing?

What type of change do you get when you light something on fire?

What type of change do you get when you combine an acid and a base to form a neutral substance?

Say you pour some sugar into your water on accident. What type of change is this?

Oh no! You accidentally broke the point of your pencil. What type of change is this?

You gaze at the Statue of Liberty. You read once that before it tarnished, it was a bright copper-brown color. What type of change is tarnishing?

You leave a crayon outside in the sun for a couple hours. After you return to check on it, the wax is completely melted! What type of change occurred?